1.Koenkk / zigbee2mqtt
Zigbee 🐝 to MQTT bridge 🌉, get rid of your proprietary Zigbee bridges 🔨
- hacktoberfest
+756 stars
from 15,032 · score 6.63
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
38 repositories by Attention Score · May 9, 2026 – Nov 4, 2026 (UTC)
2.emqx / emqx
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
+733 stars
from 16,151 · score 6.60
3.eclipse-mosquitto / mosquitto
Eclipse Mosquitto - An open source MQTT broker
+538 stars
from 10,796 · score 6.29
4.cesanta / mongoose
Embedded web server, with TCP/IP network stack, MQTT and Websocket
+401 stars
from 12,723 · score 6.00
5.rabbitmq / rabbitmq-server
Open source RabbitMQ: core server and tier 1 (built-in) plugins
+390 stars
from 13,563 · score 5.97
6.nanomq / nanomq
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
- mqtt
- mqtt-broker
- iot-edge
- nng
- aio
- actor-model
- +14 more
+184 stars
from 2,470 · score 5.22
7.dotnet / MQTTnet
MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.
- mqtt
- mqtt-client
- mqtt-broker
- mqtt-server
- netcore
- net
- +13 more
+130 stars
from 4,957 · score 4.88
8.processone / ejabberd
Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)
- erlang
- xmpp
- jabber
- chat
- messaging
- sip
- +10 more
+120 stars
from 6,629 · score 4.80
9.1technophile / OpenMQTTGateway
MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility & LoRa.
- mqtt
- gateway
- openhab2
- home-automation
- home-assistant
- wemos-d1
- +13 more
+120 stars
from 3,996 · score 4.80
10.cloudamqp / lavinmq
Ultra quick message queue and streaming server
- message-queue
- server
- amqp
- background-jobs
- job-queue
- message-broker
- +3 more
+114 stars
from 917 · score 4.74
11.mochi-mqtt / server
The fully compliant, embeddable high-performance Go MQTT v5 server for IoT, smarthome, and pubsub
+107 stars
from 1,853 · score 4.68
12.mqttjs / MQTT.js
The MQTT client for Node.js and the browser
- mqtt
- javascript
- nodejs-library
- mqtt-broker
- hacktoberfest
+101 stars
from 9,028 · score 4.62
13.vernemq / vernemq
A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases. The VerneMQ mission is active & the project maintained. Thank you for your support!
- mqtt
- m2m
- scalable
- broker
- erlang
- distributed
- +13 more
+90 stars
from 3,557 · score 4.51
14.thingsboard / tbmq
The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.
+53 stars
from 723 · score 3.99
15.hivemq / hivemq-mqtt-client
HiveMQ MQTT Client is an MQTT 5.0 and MQTT 3.1.1 compatible and feature-rich high-performance Java client library with different API flavours and backpressure support
- mqtt
- mqtt-client
- mqtt-protocol
- reactive-streams
- reactive-programming
- backpressure
- +6 more
+49 stars
from 1,077 · score 3.91
16.zwave-js / zwave-js-ui
Full featured Z-Wave Control Panel UI and MQTT gateway. Built using Nodejs, and Vue/Vuetify
+46 stars
from 1,203 · score 3.85
17.wind-c / comqtt
A lightweight, high-performance go mqtt server(v3.0|v3.1.1|v5.0) supporting distributed cluster
- golang
- mqtt
- iot
- cluster
- distributed
- golang-library
- +9 more
+46 stars
from 1,139 · score 3.85
18.moscajs / aedes
Barebone MQTT broker that can run on any stream server, the node way
+43 stars
from 1,938 · score 3.78
+35 stars
from 2,428 · score 3.58
20.knolleary / pubsubclient
A client library for the Arduino Ethernet Shield that provides support for MQTT.
+34 stars
from 3,980 · score 3.56
21.hivemq / hivemq-community-edition
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
+25 stars
from 1,190 · score 3.26
22.empicano / aiomqtt
The idiomatic asyncio MQTT client
- mqtt
- internet-of-things
- iot
- python
- pubsub
- mqtt5
- +5 more
+25 stars
from 556 · score 3.26
23.LiamBindle / MQTT-C
A portable MQTT C client for embedded systems and PCs alike.
- mqtt-client
- publisher-subscriber
- c
- portable
- mqtt
- simple
+22 stars
from 878 · score 3.14
24.emitter-io / emitter
High performance, distributed and low latency publish-subscribe platform.
- pubsub
- networking
- emitter
- mqtt
- mqtt-broker
- realtime
- +4 more
+21 stars
from 3,990 · score 3.09
25.emqx / CocoaMQTT
MQTT 5.0 client library for iOS and macOS written in Swift
+21 stars
from 1,731 · score 3.09
26.DrmagicE / gmqtt
Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.x and V5 in golang
- mqtt
- mqtt-broker
- mqtt-protocol
- mqtt-server
- server
- gmqtt
- +1 more
+19 stars
from 1,034 · score 3.00
27.shmuelzon / esp32-ble2mqtt
A BLE to MQTT bridge running on an ESP32
+12 stars
from 765 · score 2.56
28.peterhinch / micropython-mqtt
A 'resilient' asynchronous MQTT driver. Recovers from WiFi and broker outages.
+12 stars
from 677 · score 2.56
29.wialon / gmqtt
Python MQTT v5.0 async client
- mqtt
- python-mqtt-client
- mqttv5
- python
- python-mqtt
- async
- +1 more
+9 stars
from 443 · score 2.30
+7 stars
from 1,163 · score 2.08
+7 stars
from 435 · score 2.08
32.vert-x3 / vertx-mqtt
Vert.x MQTT
+7 stars
from 210 · score 2.08
33.davidepianca98 / KMQTT
Kotlin Multiplatform MQTT client & embeddable and standalone broker
- kotlin
- kotlin-multiplatform
- mqtt
- mqtt-broker
- mqtt-server
- kotlin-native
- +2 more
+6 stars
from 291 · score 1.95
34.novastone-media / MQTT-Client-Framework
iOS, macOS, tvOS native ObjectiveC MQTT Client Framework
- objective-c
- mqtt
- mqtt-client
+3 stars
from 1,876 · score 1.39
35.njh / ruby-mqtt
Pure Ruby gem that implements the MQTT protocol, a lightweight protocol for publish/subscribe messaging.
- ruby
- mqtt
- rubygems
+3 stars
from 557 · score 1.39
+3 stars
from 482 · score 1.39
37.hivemq / mqtt-cli
MQTT CLI is a useful command line interface for connecting various MQTT clients supporting MQTT 5.0 and 3.1.1
+3 stars
from 360 · score 1.39
38.stjohnjohnson / smartthings-mqtt-bridge
Bridge between SmartThings and MQTT
+1 stars
from 375 · score 0.69